CVE-2025-38003

FAUCET Score

CVE-2025-38003 is a use-after-free vulnerability in the Linux kernel's CAN BCM subsystem, specifically affecting Debian and Linux kernel versions. It arises from missing RCU read protection when generating procfs content for bcm_op entries during removal, potentially leading to unreliable data output. Rated Medium (CVSS 5.5), this local vulnerability (AV:L/AC:L) could result in a high availability impact (A:H) without requiring user interaction. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion and media coverage, indicating awareness despite its low EPSS score.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 4.19.252, < 4.20CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.4.205, < 5.4.294CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.10.130, < 5.10.238CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.15.54, < 5.15.185CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.18.11, < 5.19CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.20%

Probability of exploitation in next 30 days

EPSS Percentile

10.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0020 is in the 49th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

autodeskpatch availablevia llm_extracted

View patch

freepbxpatch availablevia llm_extracted

View patch

honeywellpatch availablevia llm_extracted

View patch

microsoftpatch availablevia msrc

Product: azl3 kernel 6.6.92.2-2 on Azure Linux 3.0Fixed in: 6.6.96.1-1

microsoftpatch availablevia msrc

Product: 17085-17084Fixed in: 6.6.96.1-1

microsoftpatch availablevia msrc

Product: 19880-17084Fixed in: 6.6.96.1-1

microsoftpatch availablevia msrc

Product: azl3 kernel 6.6.96.1-1 on Azure Linux 3.0Fixed in: 6.6.96.1-1